diff --git a/src/main/java/fr/ntr/AccessPoint.java b/src/main/java/fr/ntr/AccessPoint.java
index e2c8d50..20a6b4b 100644
--- a/src/main/java/fr/ntr/AccessPoint.java
+++ b/src/main/java/fr/ntr/AccessPoint.java
@@ -37,15 +37,15 @@ public class AccessPoint {
      * Lancer la simulation
      * @param duration
      */
-    public void startSimulation(int duration) {
-        /*try{
-            this.outputDataFile = new FileOutputStream("export" + File.separator + this.users.size() + ".csv", true);
+    public void startSimulation(int duration, List<User> users) {
+        try{
+            this.outputDataFile = new FileOutputStream("export" + File.separator + users.size() + ".csv", true);
             outputDataFile.write("tick;x;y;user;bandwidth;delay;\n".getBytes());
         } catch(IOException e) {
             System.err.println(e.getClass().getSimpleName() + " : " + e.getMessage());
             System.exit(1);
             return;
-        } */
+        }
         for (int ticks = 0; ticks < duration; ++ticks) {
             // Simulation
             cell1.reset();
@@ -58,7 +58,7 @@ public class AccessPoint {
             computeInterference();
             // traite les données et les enregistre dans un fichier
             try {
-                analyseData(ticks);
+                analyseData(ticks, users);
             } catch (IOException e) {
                 System.out.println("Can't export data");
             }
@@ -66,7 +66,7 @@ public class AccessPoint {
         }
     }
 
-    public void computeInterference () {
+    public void computeInterference() {
         ResourceBlock[][] frameCell1 = cell1.getFrame();
         ResourceBlock[][] frameCell2 = cell2.getFrame();
 
@@ -93,10 +93,10 @@ public class AccessPoint {
         }
     }
 
-    private void analyseData(int tick) throws IOException {
-        /*double delayAverage = 0.0;
+    private void analyseData(int tick, List<User> users) throws IOException {
+        /* double delayAverage = 0.0;
         int nbPacketsSent = 0;
-        for(User u: this.users){
+        for(User u: users){
             List<Packets> packets = u.getPacketsSent();
             nbPacketsSent += packets.size();
             for (Packets p: packets){
diff --git a/src/main/java/fr/ntr/Cell.java b/src/main/java/fr/ntr/Cell.java
index 925ae3c..5d5800d 100644
--- a/src/main/java/fr/ntr/Cell.java
+++ b/src/main/java/fr/ntr/Cell.java
@@ -9,7 +9,7 @@ public class Cell {
 
     private final List<User> users;
     /**
-     * scheduler utilisé par la cellule
+     * Scheduler utilisé par la cellule
      */
     private final Scheduler scheduler;
     /**
@@ -24,13 +24,6 @@ public class Cell {
      * Trame
      */
     private final ResourceBlock[][] frame;
-    /**
-     * Reste pour la prochaine source
-     */
-    private double leftForNextSource;
-
-    private final Random random = new Random();
-
     public Cell(Scheduler scheduler, ResourceBlock[][] frame, List<User> users) {
         this.users = users;
         this.scheduler = scheduler;
diff --git a/src/main/java/fr/ntr/Main.java b/src/main/java/fr/ntr/Main.java
index bb490c2..a6a6c32 100644
--- a/src/main/java/fr/ntr/Main.java
+++ b/src/main/java/fr/ntr/Main.java
@@ -56,13 +56,13 @@ public class Main {
                     List<User> users = generateUsers(i, timeSlotNb, subCarrierNb);
                     ResourceBlock[][] frame = new ResourceBlock[timeSlotNb][subCarrierNb];
                     //TODO : changes schedulers
-                    Scheduler schedulerCell1 = new MaxSNR(frame, users);
-                    Scheduler schedulerCell2 = new MaxSNR(frame, users);
+                    Scheduler schedulerCell1 = new RoundRobin(frame, users);
+                    Scheduler schedulerCell2 = new RoundRobin(frame, users);
 
                     Cell cell1 = new Cell(schedulerCell1, frame, users);
                     Cell cell2 = new Cell(schedulerCell2, frame, users);
                     AccessPoint accessPoint = new AccessPoint(cell1, cell2);
-                    executor.submit(() -> accessPoint.startSimulation(numberOfTicks));
+                    executor.submit(() -> accessPoint.startSimulation(numberOfTicks, users));
                 }
             }
         } else {